Android Open Source - Android-Lib-Database Many Sided Predicate

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Back to project page Android-Lib-Database.

License

The source code is released under:

Apache License

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Java Source Code

package android.lib.database.predicate;
/*from w w w.ja v a2s  . c  o m*/
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

final class ManySidedPredicate extends Predicate {
    private static final String COMMA = ", "; //$NON-NLS-1$

    private ManySidedPredicate(final String predicate, final List<Object> parameters) {
        super(predicate, parameters);
    }

    public static ManySidedPredicate newInstance(final String template, final Object identifier, final boolean isValue, final Object... values) {
        final List<Object>  parameters = new ArrayList<Object>();
        final StringBuilder builder    = new StringBuilder();
        final String        predicate;

        for (int i = values.length; --i >= 0;) {
            if (builder.length() > 0) {
                builder.append(ManySidedPredicate.COMMA);
            }

            builder.append(Predicate.PARAMETER);
        }

        if (isValue) {
            predicate = String.format(template, Predicate.PARAMETER, builder.toString());

            parameters.add(identifier);
        } else {
            predicate = String.format(template, identifier.toString(), builder.toString());
        }

        parameters.addAll(Arrays.asList(values));

        return new ManySidedPredicate(predicate, parameters);
    }
}

Java Source Code List